Rich and poor nations in the world. 

 - New York.  McGraw-Hill.  1978. 
 - xii, 264p.  23cm. 
<br/><br/> Includes bibliography and index. 
<br/><br/><label>ISBN: </label>0070211140 
<br/><br/><label>Dewey Class. No.: </label>338.91RIC.